Ophthalmic Lens Simulation Using Camera Optics
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Solution Overview
Problem
Traditional methods for prescribing ophthalmic lenses require multiple trials with different lenses, are costly due to complex data processing, and may not include the optimal lens for correcting vision defects, as existing virtual reality simulations demand high computational power and resources.
Innovation Solution
A method and apparatus that use cameras with optics simulating human eye characteristics to capture and display images through different ophthalmic lenses, allowing users to visualize and compare the optical effects directly, using a simplified data processing approach with fixed camera and display positions to simulate binocular vision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If complex data processing techniques are used to generate virtual output images simulating optical defects, then the quality of the output image is improved, but the calculating power and system complexity increase significantly
Solution Approach 1:
The patent uses a camera to capture a real-world scene and displays it on a screen, creating an optical copy of the scene. By placing the ophthalmic lens between the camera and the scene, the system captures light passing through the lens and displays it directly, avoiding complex computational processing while maintaining visual accuracy of the optical effect.
Solution Approach 2:
The patent replaces complex computational optical simulation with a direct optical measurement system. Instead of calculating and generating virtual images through computer processing, the system uses a camera with optics to directly capture light modified by the ophthalmic lens, substituting mechanical/optical measurement for computational simulation.
2Adaptability or versatility
If multiple spectacles are tried and tested with different optical characteristics, then the optimal lens can be selected, but the process is time-consuming and costly
Solution Approach 1:
The system allows multiple ophthalmic lens designs to be tested in advance through the optical simulation method before final prescription. By capturing images through different lenses and displaying them for review, the optimal lens can be identified beforehand, streamlining the prescription process and reducing the time needed for multiple physical trials.
3Ease of operation
If virtual reality techniques are used to simulate optical effects, then lens selection can be performed remotely, but high computational power and resources are required
Solution Approach 1:
The patent creates an optical copy of the scene through the camera system, capturing light that has already passed through the ophthalmic lens. This direct optical copying approach eliminates the need for complex computational simulation, significantly reducing energy consumption while still enabling remote lens selection and evaluation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to efficiently compare and select ophthalmic lenses with reduced computational complexity and costs, providing a realistic and effective simulation of optical effects without the need for complex calculations, allowing for informed lens selection.
Implementation Method 1
a camera provided with optics arranged to simulate the optical characteristics of a human eye
Data Source
AI summary
A method of simulating an optical effect of an optical lens for a potential wearer, the method comprising: using a first camera to take a first image of a scene through a first optical lens, the first optical lens having optical characteristics according to a first ophthalmic lens design, the first camera being provided with optics arranged to simulate the optical characteristics of a human eye; and displaying the first image on a display device for viewing by the potential wearer enabling the potential wearer to visualise the optical effects of the first optical lens on his viewing ability. The position of the first camera, the first optical lens and the display device are fixed with respect to a referential frame defined by the head of the potential wearer, the head of the potential wearer being movable with respect to the scene.